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Detecting Non-subgraphs Efficiently by Comparing Eigenvalues of Decomposed Graphs

Kaoru KATAYAMA, Yosuke AMAGASA, Hideki NAGAYA

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Summary :

The problem of deciding whether a graph contains another graph appears in various applications. For solving this problem efficiently, we developed a numerical method to detect non-subgraphs, graphs which are not subgraphs of other graphs, by comparing eigenvalues of graphs. In this paper, we propose a method to make the detection more efficient by comparing of eigenvalues of graphs decomposed according to labels of the vertices and the edges. The new approach not only reduces the cost of computing eigenvalues but also increases the possibility of detecting non-subgraphs. The experimental evaluation shows the effectiveness of the proposed method.

Publication
IEICE TRANSACTIONS on Information Vol.E95-D No.11 pp.2724-2727
Publication Date
2012/11/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E95.D.2724
Type of Manuscript
LETTER
Category
Data Engineering, Web Information Systems

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